American Housewife 2×23 “Finding Fillion” Promo with guest star Nathan Fillion – In order to impress the other moms at school, Katie, Taylor and Oliver travel to New York to track down Nathan Fillion at a “Firefly” convention, so Katie can convince him to attend the school’s spring gala, on an all-new episode of “American Housewife,” airing Wednesday, May 9th on ABC, streaming and on demand.